html {
    height: 100%;
}
body { 
    height: 100%;
    overflow: hidden;
    font-family: "Microsoft YaHei", "Hiragino Sans GB", "微软雅黑", tahoma, arial, simsun, "宋体";
    background: url("../images/error-bg.jpg") no-repeat;
    background-size: 100% 100%;
}
.download {
    width: 550px;
    height: 500px;
    margin: 0 0 -250px -275px;
    bottom: 50%;
    left: 50%;
    position: fixed;
    border-radius: 3px;
    text-align: center;
}
.header {
    margin-bottom: 50px;
}

h2 {
    color: #fff;
    font-size: 35px;
    font-weight: 200;
}

.android {
    position: relative;
    /*float: left;*/
    /*margin: 10px;*/
    /*margin-left: -80px;*/
    margin: 0 auto;
    width: 45%;
}
.ios {
    position: relative;
    float: right;
    margin: 10px;
    margin-right: -80px;
    width: 45%;
}
.main {
    margin-bottom: 20px;
}
.download_image {
    width: 100%;
    height: auto;
}

.title {
    height: 70px;
    border: 1px solid #FF5D00;
    border-radius: 5px;
}
.title_left,.title_right {
    float: left;
}
.android .title_left i {
    color: #98BD4B;
}
.ios .title_left i {
    color: #fff;
}
.title_left {
    float: left;
    width: 15%;
    height: 70px;
    line-height: 70px;
    margin-left: 60px;
    margin-right: 10px;
    font-size: 48px;
    text-align: center;
}
.title_right {
    width: 40%;
    margin-top: 25px;
    text-align: center;
    color: #FF5D00;
}
.title_right span {
    margin: 0;
    font-size: 18px;
}

.android a:hover .title {
    background-color: #FF5D00;
}
.android a:hover .title_right {
    color: #fff;
}